diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index 178209a209..30ea9630f7 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -21,14 +21,11 @@ from synapse.crypto.event_signing import add_hashes_and_signatures
from synapse.events.utils import serialize_event
from synapse.events.validator import EventValidator
from synapse.push.action_generator import ActionGenerator
-from synapse.streams.config import PaginationConfig
from synapse.types import (
- UserID, RoomAlias, RoomStreamToken, StreamToken, get_domain_from_id
+ UserID, RoomAlias, RoomStreamToken, get_domain_from_id
)
-from synapse.util import unwrapFirstError
-from synapse.util.async import concurrently_execute, run_on_reactor, ReadWriteLock
-from synapse.util.caches.snapshot_cache import SnapshotCache
-from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
+from synapse.util.async import run_on_reactor, ReadWriteLock
+from synapse.util.logcontext import preserve_fn
from synapse.util.metrics import measure_func
from synapse.visibility import filter_events_for_client
@@ -49,7 +46,6 @@ class MessageHandler(BaseHandler):
self.state = hs.get_state_handler()
self.clock = hs.get_clock()
self.validator = EventValidator()
- self.snapshot_cache = SnapshotCache()
self.pagination_lock = ReadWriteLock()
@@ -392,377 +388,6 @@ class MessageHandler(BaseHandler):
[serialize_event(c, now) for c in room_state.values()]
)
- def snapshot_all_rooms(self, user_id=None, pagin_config=None,
- as_client_event=True, include_archived=False):
- """Retrieve a snapshot of all rooms the user is invited or has joined.
-
- This snapshot may include messages for all rooms where the user is
- joined, depending on the pagination config.
-
- Args:
- user_id (str): The ID of the user making the request.
- pagin_config (synapse.api.streams.PaginationConfig): The pagination
- config used to determine how many messages *PER ROOM* to return.
- as_client_event (bool): True to get events in client-server format.
- include_archived (bool): True to get rooms that the user has left
- Returns:
- A list of dicts with "room_id" and "membership" keys for all rooms
- the user is currently invited or joined in on. Rooms where the user
- is joined on, may return a "messages" key with messages, depending
- on the specified PaginationConfig.
- """
- key = (
- user_id,
- pagin_config.from_token,
- pagin_config.to_token,
- pagin_config.direction,
- pagin_config.limit,
- as_client_event,
- include_archived,
- )
- now_ms = self.clock.time_msec()
- result = self.snapshot_cache.get(now_ms, key)
- if result is not None:
- return result
-
- return self.snapshot_cache.set(now_ms, key, self._snapshot_all_rooms(
- user_id, pagin_config, as_client_event, include_archived
- ))
-
- @defer.inlineCallbacks
- def _snapshot_all_rooms(self, user_id=None, pagin_config=None,
- as_client_event=True, include_archived=False):
-
- memberships = [Membership.INVITE, Membership.JOIN]
- if include_archived:
- memberships.append(Membership.LEAVE)
-
- room_list = yield self.store.get_rooms_for_user_where_membership_is(
- user_id=user_id, membership_list=memberships
- )
-
- user = UserID.from_string(user_id)
-
- rooms_ret = []
-
- now_token = yield self.hs.get_event_sources().get_current_token()
-
- presence_stream = self.hs.get_event_sources().sources["presence"]
- pagination_config = PaginationConfig(from_token=now_token)
- presence, _ = yield presence_stream.get_pagination_rows(
- user, pagination_config.get_source_config("presence"), None
- )
-
- receipt_stream = self.hs.get_event_sources().sources["receipt"]
- receipt, _ = yield receipt_stream.get_pagination_rows(
- user, pagination_config.get_source_config("receipt"), None
- )
-
- tags_by_room = yield self.store.get_tags_for_user(user_id)
-
- account_data, account_data_by_room = (
- yield self.store.get_account_data_for_user(user_id)
- )
-
- public_room_ids = yield self.store.get_public_room_ids()
-
- limit = pagin_config.limit
- if limit is None:
- limit = 10
-
- @defer.inlineCallbacks
- def handle_room(event):
- d = {
- "room_id": event.room_id,
- "membership": event.membership,
- "visibility": (
- "public" if event.room_id in public_room_ids
- else "private"
- ),
- }
-
- if event.membership == Membership.INVITE:
- time_now = self.clock.time_msec()
- d["inviter"] = event.sender
-
- invite_event = yield self.store.get_event(event.event_id)
- d["invite"] = serialize_event(invite_event, time_now, as_client_event)
-
- rooms_ret.append(d)
-
- if event.membership not in (Membership.JOIN, Membership.LEAVE):
- return
-
- try:
- if event.membership == Membership.JOIN:
- room_end_token = now_token.room_key
- deferred_room_state = self.state_handler.get_current_state(
- event.room_id
- )
- elif event.membership == Membership.LEAVE:
- room_end_token = "s%d" % (event.stream_ordering,)
- deferred_room_state = self.store.get_state_for_events(
- [event.event_id], None
- )
- deferred_room_state.addCallback(
- lambda states: states[event.event_id]
- )
-
- (messages, token), current_state = yield preserve_context_over_deferred(
- defer.gatherResults(
- [
- preserve_fn(self.store.get_recent_events_for_room)(
- event.room_id,
- limit=limit,
- end_token=room_end_token,
- ),
- deferred_room_state,
- ]
- )
- ).addErrback(unwrapFirstError)
-
- messages = yield filter_events_for_client(
- self.store, user_id, messages
- )
-
- start_token = now_token.copy_and_replace("room_key", token[0])
- end_token = now_token.copy_and_replace("room_key", token[1])
- time_now = self.clock.time_msec()
-
- d["messages"] = {
- "chunk": [
- serialize_event(m, time_now, as_client_event)
- for m in messages
- ],
- "start": start_token.to_string(),
- "end": end_token.to_string(),
- }
-
- d["state"] = [
- serialize_event(c, time_now, as_client_event)
- for c in current_state.values()
- ]
-
- account_data_events = []
- tags = tags_by_room.get(event.room_id)
- if tags:
- account_data_events.append({
- "type": "m.tag",
- "content": {"tags": tags},
- })
-
- account_data = account_data_by_room.get(event.room_id, {})
- for account_data_type, content in account_data.items():
- account_data_events.append({
- "type": account_data_type,
- "content": content,
- })
-
- d["account_data"] = account_data_events
- except:
- logger.exception("Failed to get snapshot")
-
- yield concurrently_execute(handle_room, room_list, 10)
-
- account_data_events = []
- for account_data_type, content in account_data.items():
- account_data_events.append({
- "type": account_data_type,
- "content": content,
- })
-
- ret = {
- "rooms": rooms_ret,
- "presence": presence,
- "account_data": account_data_events,
- "receipts": receipt,
- "end": now_token.to_string(),
- }
-
- defer.returnValue(ret)
-
- @defer.inlineCallbacks
- def room_initial_sync(self, requester, room_id, pagin_config=None):
- """Capture the a snapshot of a room. If user is currently a member of
- the room this will be what is currently in the room. If the user left
- the room this will be what was in the room when they left.
-
- Args:
- requester(Requester): The user to get a snapshot for.
- room_id(str): The room to get a snapshot of.
- pagin_config(synapse.streams.config.PaginationConfig):
- The pagination config used to determine how many messages to
- return.
- Raises:
- AuthError if the user wasn't in the room.
- Returns:
- A JSON serialisable dict with the snapshot of the room.
- """
-
- user_id = requester.user.to_string()
-
- membership, member_event_id = yield self._check_in_room_or_world_readable(
- room_id, user_id,
- )
- is_peeking = member_event_id is None
-
- if membership == Membership.JOIN:
- result = yield self._room_initial_sync_joined(
- user_id, room_id, pagin_config, membership, is_peeking
- )
- elif membership == Membership.LEAVE:
- result = yield self._room_initial_sync_parted(
- user_id, room_id, pagin_config, membership, member_event_id, is_peeking
- )
-
- account_data_events = []
- tags = yield self.store.get_tags_for_room(user_id, room_id)
- if tags:
- account_data_events.append({
- "type": "m.tag",
- "content": {"tags": tags},
- })
-
- account_data = yield self.store.get_account_data_for_room(user_id, room_id)
- for account_data_type, content in account_data.items():
- account_data_events.append({
- "type": account_data_type,
- "content": content,
- })
-
- result["account_data"] = account_data_events
-
- defer.returnValue(result)
-
- @defer.inlineCallbacks
- def _room_initial_sync_parted(self, user_id, room_id, pagin_config,
- membership, member_event_id, is_peeking):
- room_state = yield self.store.get_state_for_events(
- [member_event_id], None
- )
-
- room_state = room_state[member_event_id]
-
- limit = pagin_config.limit if pagin_config else None
- if limit is None:
- limit = 10
-
- stream_token = yield self.store.get_stream_token_for_event(
- member_event_id
- )
-
- messages, token = yield self.store.get_recent_events_for_room(
- room_id,
- limit=limit,
- end_token=stream_token
- )
-
- messages = yield filter_events_for_client(
- self.store, user_id, messages, is_peeking=is_peeking
- )
-
- start_token = StreamToken.START.copy_and_replace("room_key", token[0])
- end_token = StreamToken.START.copy_and_replace("room_key", token[1])
-
- time_now = self.clock.time_msec()
-
- defer.returnValue({
- "membership": membership,
- "room_id": room_id,
- "messages": {
- "chunk": [serialize_event(m, time_now) for m in messages],
- "start": start_token.to_string(),
- "end": end_token.to_string(),
- },
- "state": [serialize_event(s, time_now) for s in room_state.values()],
- "presence": [],
- "receipts": [],
- })
-
- @defer.inlineCallbacks
- def _room_initial_sync_joined(self, user_id, room_id, pagin_config,
- membership, is_peeking):
- current_state = yield self.state.get_current_state(
- room_id=room_id,
- )
-
- # TODO: These concurrently
- time_now = self.clock.time_msec()
- state = [
- serialize_event(x, time_now)
- for x in current_state.values()
- ]
-
- now_token = yield self.hs.get_event_sources().get_current_token()
-
- limit = pagin_config.limit if pagin_config else None
- if limit is None:
- limit = 10
-
- room_members = [
- m for m in current_state.values()
- if m.type == EventTypes.Member
- and m.content["membership"] == Membership.JOIN
- ]
-
- presence_handler = self.hs.get_presence_handler()
-
- @defer.inlineCallbacks
- def get_presence():
- states = yield presence_handler.get_states(
- [m.user_id for m in room_members],
- as_event=True,
- )
-
- defer.returnValue(states)
-
- @defer.inlineCallbacks
- def get_receipts():
- receipts_handler = self.hs.get_handlers().receipts_handler
- receipts = yield receipts_handler.get_receipts_for_room(
- room_id,
- now_token.receipt_key
- )
- defer.returnValue(receipts)
-
- presence, receipts, (messages, token) = yield defer.gatherResults(
- [
- preserve_fn(get_presence)(),
- preserve_fn(get_receipts)(),
- preserve_fn(self.store.get_recent_events_for_room)(
- room_id,
- limit=limit,
- end_token=now_token.room_key,
- )
- ],
- consumeErrors=True,
- ).addErrback(unwrapFirstError)
-
- messages = yield filter_events_for_client(
- self.store, user_id, messages, is_peeking=is_peeking,
- )
-
- start_token = now_token.copy_and_replace("room_key", token[0])
- end_token = now_token.copy_and_replace("room_key", token[1])
-
- time_now = self.clock.time_msec()
-
- ret = {
- "room_id": room_id,
- "messages": {
- "chunk": [serialize_event(m, time_now) for m in messages],
- "start": start_token.to_string(),
- "end": end_token.to_string(),
- },
- "state": state,
- "presence": presence,
- "receipts": receipts,
- }
- if not is_peeking:
- ret["membership"] = membership
-
- defer.returnValue(ret)
-
@measure_func("_create_new_client_event")
@defer.inlineCallbacks
def _create_new_client_event(self, builder, prev_event_ids=None):
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